Bike or portion thereof



FIG. 1 is a front elevation view of a bike or portion thereof embodyingour new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top-front-left perspective view thereof.

FIG. 8 is a bottom-front-right perspective view thereof.

FIG. 9 is a bottom-rear-right perspective view thereof; and,

FIG. 10 is a top-rear-left perspective view thereof.

The broken lines in the drawings illustrate portions of the bike orportion thereof that form no part of the claimed design.

CLAIM The ornamental design for a bike or a portion thereof, as shownand described.